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A distinctive GPU shader background rendered in dependency-free WebGL — a marketing-grade hero backdrop. One per view; scrim behind text. Renders a static frame under prefers-reduced-motion.
Passed 18 of 22 test cases with the skill, and 6 of 22 without it.
and 17 more in the full report
12 fixed6 passed either way4 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 12 test cases the skill fixed. Same model, same prompt, with and without the skill.
What companion file must be copied along with lightning.js to ensure the WebGL shader rendering harness works properly?
| Checked | Without skill | With skill |
|---|---|---|
| Identifies _fx/shaderbg.js as the required companion script. | Missed | Passed |
The instructions your model reads when the skill loads.
A GPU fragment-shader background (dependency-free WebGL).
Copy _fx/shaderbg.js + lightning.js; add <div class="lightning" style="position:absolute;inset:0"></div> behind content.
test cases passed, vs 6 / 22 without
Published skills whose descriptions closely match this one, with their headline benchmark lift.
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